function buildNavigation(routes, permissions = []) {
  const layout = routes
    .filter((route) => route.path === '/' && Array.isArray(route.children) && route.children.length > 0)
    .sort((left, right) => right.children.length - left.children.length)[0]

  return (layout?.children || [])
    .filter((route) => route.meta?.title && !route.meta?.hidden)
    .filter((route) => !route.meta?.permission || permissions.includes(route.meta.permission))
    .map((route) => ({
      path: route.path ? `/${route.path}`.replace('//', '/') : '/',
      title: route.meta.title,
      icon: route.meta.icon,
      order: route.meta.order || 0
    }))
    .sort((left, right) => left.order - right.order)
}

module.exports = { buildNavigation }